[Astronomy] How do we determine where the edge of the sun is? |
- [Astronomy] How do we determine where the edge of the sun is?
- At the Terracotta Army exhibit in Xi'an, China, it is claimed that chrome plating was invented ~2200 years before discovery in the West. Was the process of chrome-plating similar to what we do now?
- where in our bodies is heat generated?
- What do people living on space stations actually do all day?
- Why did Columbia disintegrate on the way in, but not during the launch? Is entering Earth's atmosphere more stressful than exiting?
- Does water behave differently in extreme depths?
- Do butterflies recognize caterpillars as conspecifics?
- How accurate are calorie counts on nutrition labels or at restaurants?
- In beta decay, why does the newly formed electron vacate the nucleus?
- What is below the ice on Europa?
- I have a decent computer that sits at idle 99% of the time - is there any programs/algorithms I can run that can aid research?
- Does cold/environment seriously affect your immune system?
- Is there any validity to the Norton Dome thought experiment which claims the universe is non deterministic?
- Do dogs have a well defined "language center" of the brain?
- Can you be blinded by intense infrared or ultraviolet light?
- How can a beta emitter like Cs-137 not be blocked by the concrete/masonry it was embedded in? Is it possible that the beta radiation caused an intermediary material to become radioactive releasing gama-rays?
- Is it just a coincidence that the earth's magnetic north pole is (somewhat) located where earth rotates around its axis?
- What are the actual effects that coal ash has on people? How are companies supposed to dispose of it?
- How does the economy only grow at 2-3% when you hear that the stock market has been on a tear?
- When you have negative emotions in dreams, does your body/nervous system have the same response as if you were experiencing it awake?
- [Biology] Why is this flu season worse than recent ones?
- Is there a mid-term / medium-term memory?
| [Astronomy] How do we determine where the edge of the sun is? Posted: 27 Jan 2018 02:36 AM PST When reporting the radius of the sun, how do we know where it ends? [link] [comments]  |
| Posted: 26 Jan 2018 11:17 PM PST Specifically, the sign reads:
In China, museums and exhibitions often have nationalistic language, so I take them with a grain of salt. I tried finding information for myself, but I couldn't find much about it. How was the chrome plating done? Is it similar to the process we have now? Is there evidence that the chrome plating of the blades was done intentionally to protect against corrosion? [link] [comments]  |
| where in our bodies is heat generated? Posted: 26 Jan 2018 04:26 PM PST |
| What do people living on space stations actually do all day? Posted: 26 Jan 2018 05:59 PM PST |
| Posted: 27 Jan 2018 05:47 AM PST |
| Does water behave differently in extreme depths? Posted: 26 Jan 2018 02:28 PM PST Seeing that there is life at extreme depths in the oceans, with over 300 atmospheres of pressure, how does the fluid dynamics of water change? Does this change the mechanics of life how life works when under such high pressure? [link] [comments]  |
| Do butterflies recognize caterpillars as conspecifics? Posted: 26 Jan 2018 12:38 PM PST |
| How accurate are calorie counts on nutrition labels or at restaurants? Posted: 26 Jan 2018 07:29 PM PST You would think that companies could use some method to lower calorie counts and deceive the public. Such as smaller portions. [link] [comments]  |
| In beta decay, why does the newly formed electron vacate the nucleus? Posted: 27 Jan 2018 06:32 AM PST |
| What is below the ice on Europa? Posted: 26 Jan 2018 08:41 AM PST Europa is a moon that orbits around Jupiter. It is entirely covered by 10-30km thick sheet of ice, but below there is an estimated 100km deep ocean. The moon has geysers that breach the surface of the ice sheet suggesting that there is a source of warmth in the depths of the ocean. Could there be life or something else on Europa? Will we be able to see for ourselves any time soon? [link] [comments]  |
| Posted: 26 Jan 2018 08:28 AM PST I could mine bit-currency and I'd get £5 a day or so - but Id rather be putting the energy cost into something more directly beneficial to people. Sort of like 'charitable computing'. I've heard of protein folding simulators or something like that for android phones. I just wondered if you had any recommendations for software like that for a windows pc. Thanks for your time :) [link] [comments]  |
| Does cold/environment seriously affect your immune system? Posted: 26 Jan 2018 01:30 PM PST I've had a great immune system for most of my life and I've lived all over, but since moving to an even colder and more desolate area, I've found that every winter my immune system completely conks out and I catch literally everything. Is there a science reason behind this or is it just me? [link] [comments]  |
| Posted: 26 Jan 2018 03:12 PM PST The thought experiment gives a symmetrical dome with gravity down it's axis. A ball is then given precisely enough momentum that it moves to the top of the dome and is perfectly balanced at its point. Because the laws of physics must necessarily be reversible, this demonstrates that the ball, even perfectly balanced at the point and under no external force, can spontaneously roll off the dome in an arbitrary direction. Therefore, the universe is not deterministic. Is there any validity to this whatsoever? [link] [comments]  |
| Do dogs have a well defined "language center" of the brain? Posted: 26 Jan 2018 12:59 PM PST Assuming yes, how does this region react comparatively to human speech, both known "command" words and general conversation, and to the vocalizations of other dogs? How does the domestic dog's brain compare to non-domesticated species in this regard? [link] [comments]  |
| Can you be blinded by intense infrared or ultraviolet light? Posted: 26 Jan 2018 01:44 PM PST I know we can't perceive them, but since we can't "see" them like with colors of the visible spectrum, can our eyes still be damaged by such intense light? [link] [comments]  |
| Posted: 26 Jan 2018 07:33 PM PST Is it possible that the beta radiation caused an intermediary material to become radioactive releasing gamma-rays? https://en.wikipedia.org/wiki/Kramatorsk_radiological_accident [link] [comments]  |
| Posted: 26 Jan 2018 10:52 PM PST I was looking at a compass and it suddenly occurred to me that it may not be necessary that our magnetic north would be at our geographic north. Maybe it could just be along the equator, over Africa. Or is the rotation of the Earth somehow creating the magnetic field, and therefore it could only be over the northern or southern ends of the axis? [link] [comments]  |
| Posted: 26 Jan 2018 01:05 PM PST This is one part Biology, one part engineering: Biology: Can anyone give some good reading on coal ash? I know there are different types of residuals, but I'm not sure where else to look to understand the health effects to the fullest extent. Engineering: And where can I read about how coal ash is supposed to be disposed of in the US? What are the technical specs for Ash Ponds? [link] [comments]  |
| How does the economy only grow at 2-3% when you hear that the stock market has been on a tear? Posted: 26 Jan 2018 01:42 PM PST My thought was that if indexes like the S&P and DOW Jones are doing extremely well and historically average growth in the range of 10% a year, does that mean that there is an large number of companies who are trending backwards in terms of economic growth? Or alternatively, how does overall stock market performance correlate to national economic growth? [link] [comments]  |
| Posted: 26 Jan 2018 07:39 AM PST And does that affect the quality of sleep, even if you don't wake up from it? [link] [comments]  |
| [Biology] Why is this flu season worse than recent ones? Posted: 26 Jan 2018 12:16 PM PST Was it that our vaccine predictions were off? Fewer people got them? Another or more reasons? [link] [comments]  |
| Is there a mid-term / medium-term memory? Posted: 26 Jan 2018 12:42 PM PST I'm familiar with short-term memory (AKA 'working memory') that is used to briefly hold information (the most common example for it, including in Wikipedia, is "to remember a phone number that has just been recited"). I'm familiar with long-term memory (AKA just 'memory') that is actually an "umbrella" for several types of memory - but all are considered quite permanant (e.g. my own phone number, how to ride a bike, etc.). But what type of memory do the following examples belong to?
Someone asked a similar question a few years ago but it wasn't specific as mine. [link] [comments]  |
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